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authorMalcolm Priestley <tvboxspy@gmail.com>2017-05-11 18:57:44 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-05-15 11:48:44 +0200
commit867510bde14e7b7fc6dd0f50b48f6753cfbd227a (patch)
treeec95639865b488f0aa014de4e1639ca4e08c6338 /drivers/staging/rtl8192e/rtl8192e
parentstaging: rtl8192e: rtl92e_fill_tx_desc fix write to mapped out memory. (diff)
downloadlinux-dev-867510bde14e7b7fc6dd0f50b48f6753cfbd227a.tar.xz
linux-dev-867510bde14e7b7fc6dd0f50b48f6753cfbd227a.zip
staging: rtl8192e: fix 2 byte alignment of register BSSIDR.
BSSIDR has two byte alignment on PCI ioremap correct the write by swapping to 16 bits first. This fixes a problem that the device associates fail because the filter is not set correctly. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Cc: <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/rtl8192e/rtl8192e')
-rw-r--r--drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
index a23628f390c9..e03d0a3a6dcc 100644
--- a/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
+++ b/drivers/staging/rtl8192e/rtl8192e/r8192E_dev.c
@@ -97,8 +97,9 @@ void rtl92e_set_reg(struct net_device *dev, u8 variable, u8 *val)
switch (variable) {
case HW_VAR_BSSID:
- rtl92e_writel(dev, BSSIDR, ((u32 *)(val))[0]);
- rtl92e_writew(dev, BSSIDR+2, ((u16 *)(val+2))[0]);
+ /* BSSIDR 2 byte alignment */
+ rtl92e_writew(dev, BSSIDR, *(u16 *)val);
+ rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(val + 2));
break;
case HW_VAR_MEDIA_STATUS:
@@ -961,8 +962,8 @@ static void _rtl92e_net_update(struct net_device *dev)
rtl92e_config_rate(dev, &rate_config);
priv->dot11CurrentPreambleMode = PREAMBLE_AUTO;
priv->basic_rate = rate_config &= 0x15f;
- rtl92e_writel(dev, BSSIDR, ((u32 *)net->bssid)[0]);
- rtl92e_writew(dev, BSSIDR+4, ((u16 *)net->bssid)[2]);
+ rtl92e_writew(dev, BSSIDR, *(u16 *)net->bssid);
+ rtl92e_writel(dev, BSSIDR + 2, *(u32 *)(net->bssid + 2));
if (priv->rtllib->iw_mode == IW_MODE_ADHOC) {
rtl92e_writew(dev, ATIMWND, 2);